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Huawei HCIP-Datacom-Core Technology V1.0 : H12-821_V1.0
- Exam Code: H12-821_V1.0
- Exam Name: HCIP-Datacom-Core Technology V1.0
- Updated: Sep 12, 2026
- Q & A: 378 Questions and Answers
About Huawei H12-821_V1.0 Exam
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Huawei H12-821_V1.0 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Routing Fundamentals | 3% | - Network basics and routing principles |
| Topic 2: Network Security | 9% | - ACL and basic security mechanisms |
| Topic 3: IS-IS | 8% | - IS-IS protocol fundamentals |
| Topic 4: Network Solution | 2% | - Integrated network design scenarios |
| Topic 5: IPv6 | 3% | - IPv6 addressing and routing |
| Topic 6: Multicast | 9% | - IGMP and PIM concepts |
| Topic 7: Network Service and Management | 2% | - Network management basics |
| Topic 8: Switching Technologies | 7% | - VLAN and STP fundamentals |
| Topic 9: Network Reliability | 8% | - Redundancy and failover mechanisms |
| Topic 10: Large-scale WLAN Architecture | 6% | - Enterprise WLAN deployment basics |
| Topic 11: OSPF | 16% | - OSPF areas and LSDB - OSPF core concepts |
| Topic 12: BGP | 17% | - BGP policy and attributes - BGP path selection |
| Topic 13: Routing and Traffic Control | 10% | - Traffic engineering basics - Policy-based routing |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
Question #1
Which of the following statements regarding DR/BDR are false?
- A. All DR others establish neighbor relationships with DR and BDR only.
- B. DR others listen on the network address 224.0.0.6.
- C. DR others listen on the multicast address 224.0.0.5.
- D. In a broadcast network, DR and BDR must be elected. A broadcast network without a DR or BDR cannot operate normally.
Answer: B
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Question #2
IGMP snooping enables a switch working at Layer 3 to establish a Layer 3 multicast forwarding table by listening to IGMP messages exchanged between the upstream Layer 3 device and the user hosts. The switch working at Layer 3 manages and controls the forwarding of multicast data packets based on the Layer 3 multicast forwarding table, thus suppressing multicast data flooding on the Layer 3 network.
- A. TRUE
- B. FALSE
Answer: B
Question #3
ASBRs cannot exist in an OSPF stub area.
- A. TRUE
- B. FALSE
Answer: A
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Question #4
On a broadcast network, IS-IS elects a DIS, and OSPF elects a DR. Which of the following statements are true about the differences between a DIS and a DR?
- A. The DIS and DR provide different functions. The DIS is mainly used to create and update pseudonodes.
- B. Adjacency establishment in a DIS scenario is different from that in a DR scenario. In IS-IS, adjacencies are also established between non-DIS routers.
- C. DIS election and DR election take place at different times. The DIS is elected after an adjacency is established.
- D. The DIS and DR are elected according to different rules. In DIS election, devices first compare priorities and then IP addresses. In DR election, devices first compare IP addresses and then priorities.
Answer: A,B,C
Question #5
Multicast devices do not independently maintain unicast routing information on the network. The devices must perform RPF checks on the received packets according to the unicast routing information on the network before creating PIM routing entries. If there is no unicast route to a specific destination, the RPF check fails.
- A. TRUE
- B. FALSE
Answer: B
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